Changeset 95 for trunk/platforms/dsx/v1_1cluster_phys_dma/cluster.py

Timestamp:

Sep 18, 2010, 5:04:46 PM (14 years ago)

Author:

choichil

Message:

Platform with DMA and FB

File:

• trunk/platforms/dsx/v1_1cluster_phys_dma/cluster.py (modified) (3 diffs)

trunk/platforms/dsx/v1_1cluster_phys_dma/cluster.py

@@ -46 +46 @@
                                                     wti_count = 4, 
                                                     irq_count = 4)
-        dma = self.create_dma( addr = 0xd1200000, burst_size = 16)
+        dma = self.create_dma( addr = 0xd1200000, burst_size = 64)
+        fb  = self.create_fb( addr = 0xe2200000, width = 320,
+                                                 height = 200,
+                                                 subsampling = 422)
 
         tty.irq[0] // xicu.hwi[0]
@@ -52 +55 @@
             self.cpu[i].irq[0] // xicu.irq[i]
         dma.irq // xicu.hwi[1]
+        
 
     def create_dma(self, addr, burst_size):
@@ -61 +65 @@
         return dma
 
+    def create_fb(self, addr, width, height, subsampling):
+        name = 'fb%d'%self.cluster_no
+        fb = self.pf.create('caba:vci_framebuffer', name, width = width,
+                                                       height = height,
+                                                       subsampling = subsampling)
+        self.ringp.to_target.new() // fb.vci
+        fb.addSegment(name, address = addr, size = width * height * 2, cacheable = False)
+        return fb
 
     def create_tty(self, addr, tty_count = 1):